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TIL of Dr. Benjamin Spock, a pediatrician whose 1946 book "Baby and Child Care" is one of the best-selling books of the twentieth century. His then unconventional advice to parents to show affection to their children and to see them as individuals revolutionized how parents raised their children.

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OoJeR TIL astronauts need to have good teeth because the acceleration forces and vibrations during a flight into space can be very strong.
P1kBG TIL: The Trapped 13: How We Survived The Thai Cave is a testament to courage and humanity’s power to unite in the face of impossible odds. Their story reminds us that even in the darkest moments, hope and compassion can shine through.
DDbv TIL D.B. Cooper researchers (the only successful airline hijacking in U.S. history) in recent years, using SEM, lifted microscopic particles of pure titanium from the tie he left onboard (rarely used in 1971), narrowing the possible suspects from millions to 100s.
aw969 TIL Dennis Ritchie who invented the C programming language, co-created the Unix operating system, and is largely regarded as influencing a part of effectively every software system we use on a daily basis died 1 week after Steve Jobs. Due to this, his death was largely overshadowed and ignored.
R5nx4 TIL the term meme was first coined by evolutionary biologist Richard Dawkins in his renowned book “The Selfish Gene”, and was defined as an idea, behavior, or style that spreads by means of imitation from person to person